[R] Compiling R for 64-bit Windows (was Re: increasing memory limit in Windows Server 2008 64-bit)

From: Michael Styer <mstyer_at_stanford.edu>
Date: Mon, 24 Nov 2008 23:33:08 -0800

I did some more research and I think I've answered my own question.

So my next question is, does anyone have any thoughts about how significant a project it would be to compile R for 64-bit windows (using, e.g., the Portland Group compiler)?

How much of the code would need to be changed to get around the issue with longs?

I think this is probably beyond the scope of my project but I should make sure before I give up.

Thanks for your help!

Mike

Michael Styer wrote:
> Hello,
>
> I'm working with a very large dataset in R on a computer running 64-bit
> Windows Server 2008 Standard with 32GB of RAM. According to the R for
> Windows FAQ, the maximum value allowed for max-mem-size is 4095MB. Is it
> possible to run R with a higher memory limit on this system? I've tried
> changing memory.limit() in the R console but it claims the system has a
> 4-GB address limit, which I don't believe to be the case here.



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